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Message-Id: <1431343379-30039-1-git-send-email-baolin.wang@linaro.org>
Date: Mon, 11 May 2015 19:22:59 +0800
From: Baolin Wang <baolin.wang@...aro.org>
To: tglx@...utronix.de
Cc: arnd@...db.de, linux-kernel@...r.kernel.org,
baolin.wang@...aro.org, y2038@...ts.linaro.org
Subject: [PATCH v3 17/22] time/alarmtimer:Convert to the new 64bit methods for k_clock structure
This patch changes to the new methods with timespec64/itimerspec64
type of k_clock structure, and converts the timespec/itimerspec type to
timespec64/itimerspec64 typein alarmtimer.c file.
Signed-off-by: Baolin Wang <baolin.wang@...aro.org>
---
kernel/time/alarmtimer.c | 43 ++++++++++++++++++++++---------------------
1 file changed, 22 insertions(+), 21 deletions(-)
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c
index 1b001ed..68186e1 100644
--- a/kernel/time/alarmtimer.c
+++ b/kernel/time/alarmtimer.c
@@ -489,35 +489,36 @@ static enum alarmtimer_restart alarm_handle_timer(struct alarm *alarm,
/**
* alarm_clock_getres - posix getres interface
* @which_clock: clockid
- * @tp: timespec to fill
+ * @tp: timespec64 to fill
*
* Returns the granularity of underlying alarm base clock
*/
-static int alarm_clock_getres(const clockid_t which_clock, struct timespec *tp)
+static int alarm_clock_getres(const clockid_t which_clock,
+ struct timespec64 *tp)
{
clockid_t baseid = alarm_bases[clock2alarm(which_clock)].base_clockid;
if (!alarmtimer_get_rtcdev())
return -EINVAL;
- return hrtimer_get_res(baseid, tp);
+ return hrtimer_get_res64(baseid, tp);
}
/**
* alarm_clock_get - posix clock_get interface
* @which_clock: clockid
- * @tp: timespec to fill.
+ * @tp: timespec64 to fill.
*
* Provides the underlying alarm base time.
*/
-static int alarm_clock_get(clockid_t which_clock, struct timespec *tp)
+static int alarm_clock_get(clockid_t which_clock, struct timespec64 *tp)
{
struct alarm_base *base = &alarm_bases[clock2alarm(which_clock)];
if (!alarmtimer_get_rtcdev())
return -EINVAL;
- *tp = ktime_to_timespec(base->gettime());
+ *tp = ktime_to_timespec64(base->gettime());
return 0;
}
@@ -547,24 +548,24 @@ static int alarm_timer_create(struct k_itimer *new_timer)
/**
* alarm_timer_get - posix timer_get interface
* @new_timer: k_itimer pointer
- * @cur_setting: itimerspec data to fill
+ * @cur_setting: itimerspec64 data to fill
*
* Copies out the current itimerspec data
*/
static void alarm_timer_get(struct k_itimer *timr,
- struct itimerspec *cur_setting)
+ struct itimerspec64 *cur_setting)
{
ktime_t relative_expiry_time =
alarm_expires_remaining(&(timr->it.alarm.alarmtimer));
if (ktime_to_ns(relative_expiry_time) > 0) {
- cur_setting->it_value = ktime_to_timespec(relative_expiry_time);
+ cur_setting->it_value = ktime_to_timespec64(relative_expiry_time);
} else {
cur_setting->it_value.tv_sec = 0;
cur_setting->it_value.tv_nsec = 0;
}
- cur_setting->it_interval = ktime_to_timespec(timr->it.alarm.interval);
+ cur_setting->it_interval = ktime_to_timespec64(timr->it.alarm.interval);
}
/**
@@ -588,14 +589,14 @@ static int alarm_timer_del(struct k_itimer *timr)
* alarm_timer_set - posix timer_set interface
* @timr: k_itimer pointer to be deleted
* @flags: timer flags
- * @new_setting: itimerspec to be used
- * @old_setting: itimerspec being replaced
+ * @new_setting: itimerspec64 to be used
+ * @old_setting: itimerspec64 being replaced
*
* Sets the timer to new_setting, and starts the timer.
*/
static int alarm_timer_set(struct k_itimer *timr, int flags,
- struct itimerspec *new_setting,
- struct itimerspec *old_setting)
+ struct itimerspec64 *new_setting,
+ struct itimerspec64 *old_setting)
{
ktime_t exp;
@@ -613,8 +614,8 @@ static int alarm_timer_set(struct k_itimer *timr, int flags,
return TIMER_RETRY;
/* start the timer */
- timr->it.alarm.interval = timespec_to_ktime(new_setting->it_interval);
- exp = timespec_to_ktime(new_setting->it_value);
+ timr->it.alarm.interval = timespec64_to_ktime(new_setting->it_interval);
+ exp = timespec64_to_ktime(new_setting->it_value);
/* Convert (if necessary) to absolute time */
if (flags != TIMER_ABSTIME) {
ktime_t now;
@@ -670,7 +671,7 @@ static int alarmtimer_do_nsleep(struct alarm *alarm, ktime_t absexp)
/**
- * update_rmtp - Update remaining timespec value
+ * update_rmtp - Update remaining timespec64 value
* @exp: expiration time
* @type: timer type
* @rmtp: user pointer to remaining timepsec value
@@ -824,12 +825,12 @@ static int __init alarmtimer_init(void)
int error = 0;
int i;
struct k_clock alarm_clock = {
- .clock_getres = alarm_clock_getres,
- .clock_get = alarm_clock_get,
+ .clock_getres64 = alarm_clock_getres,
+ .clock_get64 = alarm_clock_get,
.timer_create = alarm_timer_create,
- .timer_set = alarm_timer_set,
+ .timer_set64 = alarm_timer_set,
.timer_del = alarm_timer_del,
- .timer_get = alarm_timer_get,
+ .timer_get64 = alarm_timer_get,
.nsleep = alarm_timer_nsleep,
};
--
1.7.9.5
--
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